Dishonored Death of the Outsider - Hooked Trophy / Achievement Guide - Send someone flying 40 meters using Hook Mines [Silver / 40G]

Mission 2
This can be done easily in mission 2. First, head to the black market and buy a Hook Mine for 60 coins. The black market is marked on the map automatically via the optional objective "review contracts". So just go to that waypoint marker.

After buying the hook mine, backtrack to the cliff before the hostile area, where one dude is fishing. To the side of the fisherman there's a cliff. Set the hook mine to lethal by holding L2 / LT and throw it at the wall above the cliff. Now knock out the fisherman (or any person for that matter), carry the body and throw it towards the hook mine. It will pull the body towards the mine and push it down the cliff (which is a 40+ meter fall). This unlocks the trophy / achievement.
You can make a manual save before planting the mine. This way you can immediately retry if something goes wrong. It's important to set the mine to lethal (glowing red), as the non-lethal version just traps the enemy.